9VXU | pdb_00009vxu

Cryo-EM structure of STING mutant complex with cGAMP

PDB DOI: https://doi.org/10.2210/pdb9VXU/pdb
EM Map EMD-65441: EMDB EMDataResource

Classification: IMMUNE SYSTEM
Organism(s): Homo sapiens
Expression System: Homo sapiens
Mutation(s): Yes

Deposited: 2025-07-20 Released: 2026-07-22
Deposition Author(s): Shang, G.J., Liu, S.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.20 Å
Aggregation State: FILAMENT
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9VXU

This is version 1.0 of the entry. See complete history.

Literature

Cryo-EM structure of STING mutant complex with cGAMP

Shang, G.J., Liu, S.

To be published.

Macromolecule Content

Total Structure Weight: 170.2 kDa
Atom Count: 10,533
Modeled Residue Count: 1,310
Deposited Residue Count: 1,516
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Stimulator of interferon genes protein	A, B, C, D	379	Homo sapiens	Mutation(s): 3 Gene Names: STING1, ERIS, MITA, STING, TMEM173
UniProt & NIH Common Fund Data Resources
Find proteins for Q86WV6 (Homo sapiens) Explore Q86WV6 Go to UniProtKB: Q86WV6
GTEx: ENSG00000184584
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q86WV6
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
1SY (Subject of Investigation/LOI) Query on 1SY Download:Ideal Coordinates CCD File SDF format, chain E [auth B] SDF format, chain F [auth C] MOL2 format, chain E [auth B] MOL2 format, chain F [auth C] mmCIF format, chain E [auth B] mmCIF format, chain F [auth C]	E [auth B], F [auth C]	cGAMP C₂₀ H₂₄ N₁₀ O₁₃ P₂ XRILCFTWUCUKJR-INFSMZHSSA-N		Interactions Focus chain E [auth B] Focus chain F [auth C] Interactions & Density Focus chain E [auth B] Focus chain F [auth C]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.20 Å
Aggregation State: FILAMENT
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.19.2_4158
RECONSTRUCTION	cryoSPARC

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-07-22

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History (Full details and data files)

Version 1.0: 2026-07-22
Type: Initial release

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.